64 typedef struct DirNode DirNode;  typedef
65 struct DirNode {  struct
66   DirNode *next;       /* The next directory in the list */  argument
67   DirNode *prev;       /* The node that precedes this node in the list */  argument
73   DirNode *head;       /* The head of the list of used and unused cache nodes */
74   DirNode *next;       /* The next unused node between head and tail */
75   DirNode *tail;       /* The tail of the list of unused cache nodes */
119 static DirNode *ef_open_dir(ExpandFile *ef, const char *pathname);
120 static DirNode *ef_close_dir(ExpandFile *ef, DirNode *node);
203   ef->cache.mem = _new_FreeList(sizeof(DirNode), DIR_CACHE_BLK);  in new_ExpandFile()
242     DirNode *dnode;  in del_ExpandFile()
348   DirNode *dnode;       /* A directory-reader cache node */  in ef_expand_file()
563 	  DirNode *subdnode = ef_open_dir(ef, ef->path->name);  in ef_match_relative_pathname()
683 static DirNode *ef_open_dir(ExpandFile *ef, const char *pathname)  in ef_open_dir()
686   DirNode *node;        /* The cache node used */  in ef_open_dir()
695     node = (DirNode *) _new_FreeListNode(cache->mem);  in ef_open_dir()
714       node = (DirNode *) _del_FreeListNode(cache->mem, node);  in ef_open_dir()
769 static DirNode *ef_close_dir(ExpandFile *ef, DirNode *node)  in ef_close_dir()